package cn.kgm.map;

import java.util.concurrent.ConcurrentHashMap;

/**
 * Create by kappi on
 * 2021/12/23/023 16:08
 */
public class ConcurrentHashMapTes {

    public static void main(String[] args) {
        ConcurrentHashMap<String,String> map = new ConcurrentHashMap();
        map.put("a0","b0");
        System.out.println("a");
    }
}
